租约的一个关键条件是晚上10点后不能有吵闹的音乐。

A key ___condition of the lease is no loud music after 10 PM.

根据我们的协议条款，付款应在30天内完成。

Payment is due within 30 days, as per the ___conditions of our agreement.

资助的前提条件是这项研究必须能产生一篇可发表的论文。

The funding is contingent on the ___condition that the research leads to a publishable paper.